Question

Which of the following statements are true about Benthos?

1. Benthos are organisms that inhabit the surface layer of the water.
2. These organisms live in or on the bottom region of a water body.
3. The benthic environment is uniform, leading to less diversity in organisms.
4. Benthos exhibit various adaptations to suit their specific bottom-dwelling habitat.

• A. All
• B. ii, iv
• C. iv only
• D. i, iii

Answer 1

Answer:

B. ii, iv

BENTHOS

• The benthos or the benthic organisms are those found living in or on the bottom or benthic region of the water mass.

• They exhibit a variety of adaptations to the environment. The reason for this is that the bottom is a more heterogeneous habitat than either the open water or the surface and this diversity is reflected in the organisms